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Table 2 Synthesis of monosubstituted 2,3-dihydroquinazoline-4(1H)-ones using Co-aminobenzamid@Al-SBA-15

From: Co-aminobenzamid@Al-SBA-15: a favorable catalyst in synthesis of 2,3-dihydroquinazolin-4(1H)-ones

Entry Product Time (min) Yielda (%) m.p °C [refs]
1 20 96 218–220 [7]
2 22 90 214–215 [11]
3 20 92 199–201 [7]
4 16 97 233–235 [7]
5 26 89 192–193 [27]
6 25 92 203–205 [9]
7 18 95 182–184 [28]
8 22 94 204–206 [11]
9 15 95 177–179 [7]
10 15 92 209–211 [7]
  1. a Isolated yields